×

Carton opening device

  • US 3,178,812 A
  • Filed: 11/19/1962
  • Issued: 04/20/1965
  • Est. Priority Date: 11/19/1962
  • Status: Expired due to Term
First Claim
Patent Images

1. IN A DEVICE FOR OPENING HEAVY PAPERBOARD CARTONS HAVING A CUTTING BLADE, A HANDLE TO CARRY SAID BLADE, SAID HANDLE BEING FORMED TO COMPLEMENTARY SHAPED HALVES WITH EACH HANDLE HALF BEING FORMED TO PROVIDE A BLADE RETAINING PASSAGE WHEN SAID HALVES ARE ALIGNED, EACH OF SAID HALVES HAVING A BULGED PORTION AT ONE END TO FORM A GRIP AND A LATERALLY DISPOSED GUIDE FLANGE AT THE OTHER END, AND A CLAMPING SCREW TO RETAIN SAID BLADE BETWEEN SAID HALVES AND SAID HALVES IN ALIGNED POSITION WITH A CORNER OF SAID BLADE PROJECTING BEYOND SAID GUIDE FLANGES TO CUTTING POSITION, THE IMPROVEMENT COMPRISING, A BLADELIKE GUARD SECURED TO SAID HALVES BY SAID CLAMPING SCREW

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×